package org.raymond.iworks.study.basic.designpattern.command;

/**
 * @author raymond
 * @version V1.0
 * @Description: TODO
 * 空命令,用于初始化每个命令,当调用空命令时,什么也不做,不用判空
 */
public class NoCommand implements Command{
    @Override
    public void execute() {
    }

    @Override
    public void undo() {
    }
}
